$(function() {
        $( "#slider-range-min" ).slider({
            range: "min",
            value: 12,
            min: 8,
            max: 32,
            slide: function( event, ui ) {
                $( "#amount" ).val(ui.value + "px");
            }
        });
         $( "#amount" ).val( $( "#slider-range-min" ).slider( "value" ) + "px" );
    });